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Date:	Mon, 30 Jul 2007 10:41:16 +0200
From:	Jan Kratochvil <jan.kratochvil@...hat.com>
To:	Vivek Goyal <vgoyal@...ibm.com>
Cc:	Maxim Levitsky <maximlevitsky@...il.com>,
	linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [BUG] i386 relocable kernel breakes /proc/kcore debugging

On Mon, 30 Jul 2007 10:03:03 +0200, Vivek Goyal wrote:
> On Sat, Jul 28, 2007 at 04:43:43AM +0300, Maxim Levitsky wrote:
...
> > gdb 'thinks' that all kernel symbols are below 0x80000000 , while they are at 
> > 0xC000....
> > 
> > Turning CONFIG_RELOCATABLE off fixes that, so I assume that is the reason for 
> > that.
> 
> This is a gdb issue. I had raised it in gdb mailing list some time back.
> 
> http://sourceware.org/ml/gdb/2006-08/msg00137.html

There was the patch post:
	http://sources.redhat.com/ml/gdb/2006-08/msg00182.html

> What version of gdb you are using? I know it got fixed for gdb shipped
> with RHEL5. I am not sure about what upstream version of gdb it got fixed
> in.

It did not make it to the upstream as the patch above is an imperfect one.
It is fixed in RH gdb-6.5-5 upwards, therefore Fedora 6 + RHEL-5.
	http://cvs.fedora.redhat.com/viewcvs/*checkout*/devel/gdb/gdb-6.5-bz203661-emit-relocs.patch?root=core


Regards,
Jan
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